The North Face athlete Sam Elias climbs in the Khumbu Glacier. This dynamic river of ice moves more than 35 meters a year.

“Maggie, it’s Mark Jenkins calling from Camp One. A couple of team members are getting back down to Base Camp. Some of them are up at Camp Two.

“But make sure your message machine can hold about a 10-minute or 20-minute message ‘cause that’s what I’m gonna give you tomorrow sometime. For a blog about what it feels like to go through the Khumbu Icefall, which is one of the most dangerous aspects of climbing Everest on this side, the South Col. All’s well. All right, good luck Maggie, things are good here. Bye-bye.”